dfhack/test/structures/primitive_refs.lua

93 lines
2.0 KiB
Lua

utils = require('utils')
function with_temp_ref(...)
local args = {...}
local dtype = 'int32_t'
if type(args[1]) == 'string' then
dtype = table.remove(args, 1)
end
local count = 1
if type(args[1]) == 'number' then
count = table.remove(args, 1)
end
local func = table.remove(args, 1)
assert(type(func) == 'function')
dfhack.with_temp_object(df.new(dtype, count), func, table.unpack(args))
end
function test.zero_initialize()
with_temp_ref(function(x)
expect.eq(x.value, 0)
end)
end
function test.zero_initialize_array()
with_temp_ref(2, function(x)
expect.eq(x:_displace(1).value, 0)
end)
end
function test.displace_zero()
with_temp_ref(function(x)
expect.eq(x, x:_displace(0))
end)
end
function test.displace_nonzero()
with_temp_ref(2, function(x)
expect.ne(x, x:_displace(1))
expect.eq(utils.addressof(x) + x:sizeof(), utils.addressof(x:_displace(1)))
end)
end
function test.displace_negative()
with_temp_ref(2, function(x)
expect.true_(x:_displace(1):_displace(-1).value)
end)
end
function test.index_read()
with_temp_ref(function(x)
expect.eq(x.value, x[0])
end)
end
function test.index_write()
with_temp_ref(function(x)
x[0] = 1
expect.eq(x.value, 1)
expect.eq(x[0], 1)
x.value = 2
expect.eq(x.value, 2)
expect.eq(x[0], 2)
end)
end
function test.index_write_multi()
local len = 3
with_temp_ref(len, function(x)
for i = 0, len - 1 do
x[i] = i * i
end
for i = 0, len - 1 do
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expect.eq(x[i], i * i, i)
end
end)
end
function test.index_read_negative()
with_temp_ref(function(x)
expect.error_match('negative index', function()
expect.true_(x:_displace(1)[-1])
end)
end)
end
function test.index_write_negative()
with_temp_ref(function(x)
expect.error_match('negative index', function()
x:_displace(1)[-1] = 7
end)
end)
end